cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A152998 Toothpick sequence on the semi-infinite square grid.

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 7
5 11
6 17
7 21
8 23
9 27
10 33
11 39
12 47
13 61
14 77
15 85
16 87
17 91
18 97
19 103
20 111
21 125
22 141
23 151
24 159
25 173
26 191
27 211
28 241
29 285
30 325
31 341
32 343
33 347
34 353
35 359
36 367
37 381
38 397
39 407
40 415
41 429
42 447
43 467
44 497
45 541
46 581
47 599
48 607
49 621
50 639

List of values

[0, 1, 3, 5, 7, 11, 17, 21, 23, 27, 33, 39, 47, 61, 77, 85, 87, 91, 97, 103, 111, 125, 141, 151, 159, 173, 191, 211, 241, 285, 325, 341, 343, 347, 353, 359, 367, 381, 397, 407, 415, 429, 447, 467, 497, 541, 581, 599, 607, 621, 639]